adds eslint

.prettierrc.cjs

@@ -0,0 +1,19 @@
+module.exports = {
+  semi: true,
+  singleQuote: true,
+  trailingComma: 'all',
+  printWidth: 100,
+  tabWidth: 2,
+  useTabs: false,
+  bracketSpacing: true,
+  arrowParens: 'avoid',
+  endOfLine: 'lf',
+  overrides: [
+    {
+      files: '*.{json,yml,yaml,md}',
+      options: {
+        tabWidth: 2,
+      },
+    },
+  ],
+};